38402156533646 has 32 divisors (see below), whose sum is σ = 58426799951520. Its totient is φ = 18928472615424.

The previous prime is 38402156533621. The next prime is 38402156533691. The reversal of 38402156533646 is 64633565120483.

It is a junction number, because it is equal to n+sod(n) for n = 38402156533591 and 38402156533600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64874066 + ... + 65463338.

It is an arithmetic number, because the mean of its divisors is an integer number (1825837498485).

Almost surely, 2^{38402156533646} is an apocalyptic number.

38402156533646 is a deficient number, since it is larger than the sum of its proper divisors (20024643417874).

38402156533646 is a wasteful number, since it uses less digits than its factorization.

38402156533646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590900.

The product of its (nonzero) digits is 37324800, while the sum is 56.

The spelling of 38402156533646 in words is "thirty-eight trillion, four hundred two billion, one hundred fifty-six million, five hundred thirty-three thousand, six hundred forty-six".